Disclosed is an ammonia sensor element for detecting ammonia in a gas under measurement, including two mixed-potential-type ammonia detection cells that respectively include first and second ammonia detection electrodes. The first ammonia detection electrode has a metal composition containing Au as a predominant component. The second ammonia detection electrode has a metal composition containing Au as a predominant component. The metal compositions of the first and second ammonia detection electrodes are different from each other.
Legal claims defining the scope of protection, as filed with the USPTO.
Claim text for this patent isn't available yet.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
March 11, 2019
March 30, 2021
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.